KERN_PROC_VM_LAYOUT sysctl: fix bug in 32-bit-compatible path
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Authored by • karels on Jul 7 2023, 12:06 PM.

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rGbe30fd3ab2e8: KERN_PROC_VM_LAYOUT sysctl: fix bug in 32-bit-compatible path

Summary

vmspace_free() is called redundantly in the 32-bit-compatible
path in sysctl_kern_proc_vm_layout(), causing a premature free
(possibly for the current address space). Remove the extra call.

PR: 272401
Reported by: marklmi at yahoo.com

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rG FreeBSD src repository

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Buildable 52476
Build 49367: arc lint + arc unit

Event Timeline

• karels created this revision.Jul 7 2023, 12:06 PM

Herald added a subscriber: imp. · View Herald TranscriptJul 7 2023, 12:06 PM

• karels requested review of this revision.Jul 7 2023, 12:06 PM

Harbormaster completed remote builds in B52476: Diff 124278.Jul 7 2023, 12:06 PM

markj accepted this revision.Jul 7 2023, 1:06 PM

This revision is now accepted and ready to land.Jul 7 2023, 1:06 PM

Closed by commit rGbe30fd3ab2e8: KERN_PROC_VM_LAYOUT sysctl: fix bug in 32-bit-compatible path (authored by • karels). · Explain WhyJul 7 2023, 1:41 PM

This revision was automatically updated to reflect the committed changes.

• karels added a commit: rGbe30fd3ab2e8: KERN_PROC_VM_LAYOUT sysctl: fix bug in 32-bit-compatible path.

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sys/

kern/

kern_proc.c

1 line

Diff 124278

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KERN_PROC_VM_LAYOUT sysctl: fix bug in 32-bit-compatible pathClosedPublicActions